//**************************************************************
// jQZoom allows you to realize a small magnifier window,close
// to the image or images on your web page easily.
//
// jqZoom version 2.2
// Author Doc. Ing. Renzi Marco(www.mind-projects.it)
// First Release on Dec 05 2007
// i'm looking for a job,pick me up!!!
// mail: renzi.mrc@gmail.com
//**************************************************************
document.write("<div id='div_mzt_loader_z' style='position: relative;float:left;width:283px;height:282px;display:none;'><img style='margin:80px 0 0 0;' src='images/jquery-loader.gif' /></div>");
var mzt_div_loader_z=document.getElementById('div_mzt_loader_z');
function mzt_zoom_load(img){
    img.style.display='block';
    mzt_div_loader_z.style.display='none';
}

function mzt_zoom_error(img){
    try{
        img.style.display='none';
        document.getElementById('zoomdiv').appendChild(mzt_div_loader_z);
        mzt_div_loader_z.style.display='block';
    }catch(e){
        img.style.display='none';
        mzt_div_loader_z.style.display='block';
    }
}
(function($){
    $.fn.jqueryzoom=function(options){
        var settings={
            xzoom:200,
            yzoom:200,
            offset:10,
            position:"right",
            lens:1,
            preload:1
        };

        if(options){
            $.extend(settings,options)
        }
        var noalt='';
        $(this).hover(function(){
            if(!$(this).children("img").get(0)){
                return;
            }
            var imageLeft=$(this).offset().left;
            var imageTop=$(this).offset().top;
            var imageWidth=$(this).children('img').get(0).offsetWidth;
            var imageHeight=$(this).children('img').get(0).offsetHeight;
            noalt=$(this).children("img").attr("alt");
            var bigimage=$(this).children("img").attr("jqimg");
            $(this).children("img").attr("alt",'');
            if($("div.zoomdiv").get().length==0){
                $(this).after("<div id='zoomdiv' class='zoomdiv'><img class='bigimg' onLoad='mzt_zoom_load(this)' src='"+bigimage+"' onError=\"mzt_zoom_error(this);\" /></div>");
                $(this).append("<div class='jqZoomPup'>&nbsp;</div>")
            }
            if(settings.position=="right"){
                if(imageLeft+imageWidth+settings.offset+settings.xzoom>screen.width){
                    leftpos=imageLeft-settings.offset-settings.xzoom
                }else{
                    leftpos=imageLeft+imageWidth+settings.offset
                }
            }else{
                leftpos=imageLeft-settings.xzoom-settings.offset;
                if(leftpos<0){
                    leftpos=imageLeft+imageWidth+settings.offset
                }
            }
            $("div.zoomdiv").css({
                top:imageTop,
                left:leftpos
            });
            $("div.zoomdiv").width(settings.xzoom);
            $("div.zoomdiv").height(settings.yzoom);
            $("div.zoomdiv").show();
            if(!settings.lens){
                $(this).css('cursor','crosshair')
            }
            $(document.body).mousemove(function(e){
            
                mouse=new MouseEvent(e);
                var bigwidth=$(".bigimg").get(0).offsetWidth;
                var bigheight=$(".bigimg").get(0).offsetHeight;
                var scaley='x';
                var scalex='y';
                if(isNaN(scalex)|isNaN(scaley)){
                    var scalex=(bigwidth/imageWidth);
                    var scaley=(bigheight/imageHeight);
                    var new_width=(settings.xzoom)/scalex;
                    var new_height=(settings.yzoom)/scaley;
                    new_width=new_width>160?160:new_width;
                    new_height=new_height>160?160:new_height;
                    $("div.jqZoomPup").width(new_width);
                    $("div.jqZoomPup").height(new_height);
                    if(settings.lens){
                        $("div.jqZoomPup").css('visibility','visible')
                    }
                }
                xpos=mouse.x-$("div.jqZoomPup").width()/2-imageLeft;
                ypos=mouse.y-$("div.jqZoomPup").height()/2-imageTop;
                if(settings.lens){
                    xpos=(mouse.x-$("div.jqZoomPup").width()/2<imageLeft)?0:(mouse.x+$("div.jqZoomPup").width()/2>imageWidth+imageLeft)?(imageWidth-$("div.jqZoomPup").width()-2):xpos;
                    ypos=(mouse.y-$("div.jqZoomPup").height()/2<imageTop)?0:(mouse.y+$("div.jqZoomPup").height()/2>imageHeight+imageTop)?(imageHeight-$("div.jqZoomPup").height()-2):ypos
                }
                if(settings.lens){
                    $("div.jqZoomPup").css({
                        top:ypos,
                        left:xpos
                    })
                }
                scrolly=ypos;
                $("div.zoomdiv").get(0).scrollTop=scrolly*scaley;
                scrollx=xpos;
                $("div.zoomdiv").get(0).scrollLeft=(scrollx)*scalex
            })
            
        },function(){

            $(this).children("img").attr("alt",noalt);
            $(document.body).unbind("mousemove");
            if(settings.lens){
                $("div.jqZoomPup").remove()

            }
            $("div.zoomdiv").remove()
        });
        count=0;
        if(settings.preload){
            $('body').append("<div style='display:none;' class='jqPreload"+count+"'>sdsdssdsd</div>");
            $(this).each(function(){
                var imagetopreload=$(this).children("img").attr("jqimg");
                var content=jQuery('div.jqPreload'+count+'').html();
                jQuery('div.jqPreload'+count+'').html(content+'<img  src=\"'+imagetopreload+'\">')
            })
        }
    }
})(jQuery);
function MouseEvent(e){
    this.x=e.pageX;
    this.y=e.pageY
}

